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net/smc: provide smc mode in smc_diag.c 

Rename field diag_fallback into diag_mode and set the smc mode of a
connection explicitly.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Karsten Graul 2018-07-23 13:53:08 +02:00 committed by David S. Miller
parent 9a2ad36238
commit c601171d7a
2 changed files with 14 additions and 2 deletions
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9
include/uapi/linux/smc_diag.h
View File

@ -20,7 +20,7 @@ struct smc_diag_req {
struct smc_diag_msg {
__u8 diag_family;
__u8 diag_state;
__u8 diag_fallback;
__u8 diag_mode;
__u8 diag_shutdown;
struct inet_diag_sockid id;
@ -28,6 +28,13 @@ struct smc_diag_msg {
__u64 diag_inode;
};
/* Mode of a connection */
enum {
SMC_DIAG_MODE_SMCR,
SMC_DIAG_MODE_FALLBACK_TCP,
SMC_DIAG_MODE_SMCD,
};
/* Extensions */
enum {

7
net/smc/smc_diag.c
View File

@ -91,7 +91,12 @@ static int __smc_diag_dump(struct sock *sk, struct sk_buff *skb,
r = nlmsg_data(nlh);
smc_diag_msg_common_fill(r, sk);
r->diag_state = sk->sk_state;
r->diag_fallback = smc->use_fallback;
if (smc->use_fallback)
r->diag_mode = SMC_DIAG_MODE_FALLBACK_TCP;
else if (smc->conn.lgr && smc->conn.lgr->is_smcd)
r->diag_mode = SMC_DIAG_MODE_SMCD;
else
r->diag_mode = SMC_DIAG_MODE_SMCR;
user_ns = sk_user_ns(NETLINK_CB(cb->skb).sk);
if (smc_diag_msg_attrs_fill(sk, skb, r, user_ns))
goto errout;